suburb.guide

SA · Kangaroo Island Council

Duncan, 5223

Current weather

9°CMainly clear

71% humidity · 26.7 km/h wind · 12.1° / 8.6° today · 13 mm rain

Updated

  • Green suburb
What Duncan is known for: Green suburb

Suburb profile

Duncan is a welcoming smaller community in Kangaroo Island, with a settled community character. Far from the capital hubbub, it offers genuine distance, local character and room to live at a slower pace. Leafy streets and shaded corners make the suburb feel greener and more established than many nearby.

A younger crowd gives the area energy, with a strong presence of young families throughout. Outdoor life is easy here, with generous parks and room for kids, dogs and weekend strolls. Homes offer solid value for the lifestyle on offer.

A trickle of new development is refreshing selected pockets without changing the overall feel.

Population

Population
67
Median age
32
Median household income / week
$1,875
Dwelling vacancy
51.3%
Unoccupied private dwellings
20 of 39
Median monthly mortgage
$550
Employment rate
75.5%
Dwelling mix (houses / semi / flats)
0 / 0 / 0

Contributes to desirability score · Community (5%)

Employment, household income and age diversity (2021 Census)

Data sources & freshness

  • 2021 Census — General Community Profile — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 Census release

    The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.

Crime & safety

Total offences (2023–24)
1
Against the person
0
Against property
1
Rate per 1,000 residents
14.9
State safety percentile
16th (lower crime is better)
Family & domestic abuse offences
17

Most common offence types

  • Other Theft1

Contributes to desirability score · Safety (18%)

Crime rate and year-on-year trend

Data sources & freshness

  • SAPOL reported crime statistics — South Australia Police — OpenData · Period: 2023-24; 2023-24 → 2024-25; 2024-25 · Updated on site · Financial-year releases

Planning & development

Development applications from PlanSA register (lodged 2020–2026) and EPA licensed activities.

19 planning-related records

2026· 1 proposal

  • February 2026

  • Verandah and deck
    717 TIN HUT RD DUNCAN SA 5223Under Assessment
2025· 4 proposals

  • November 2025

  • Construction of agricultural building (combined implement and storage shed)
    129 TURKEY LANE DUNCAN SA 5223Under Assessment

  • October 2025

  • Agricultural Building (Hay Shed)
    LOT 60 PLAYFORD HWY DUNCAN SA 5223Under Assessment

  • September 2025

  • Swimming Pool and associated swimming pool safety features.
    31 JOHNCOCK RD DUNCAN SA 5223Decision Made
  • Agricultural Building
    129 TURKEY LANE DUNCAN SA 5223Under Assessment
2024· 1 proposal

  • August 2024

  • Biochar production facility comprising a movable kiln and associated plant, platforms and canopy, woodchip and biochar stockpiles and associated car parking
    129 TURKEY LANE DUNCAN SA 5223Under Assessment
2023· 1 proposal

  • April 2023

  • Telecommunications facility comprising a 60 metre high lattice tower, antennas, equipment shelter and security fencing
    951A STOKES BAY RD DUNCAN SA 5223Decision Made
2022· 5 proposals

  • October 2022

  • Construction of a colorbond shed comprising a dwelling and garage
    267 STOKES BAY RD DUNCAN SA 5223Decision Made

  • March 2022

  • Installation of a swimming pool and safety barrier fencing
    141 STOKES BAY RD DUNCAN SA 5223Decision Made
  • Telecommunications Facility - comprising a slim line lattice tower supported by 3 anchored guy wires, 2.3 metre high security fenced compound and 2x equipment cabinets, ground-mounted solar array and protective barriers
    811 STOKES BAY RD DUNCAN SA 5223Decision Made

  • February 2022

  • Construction of a carport
    501 COOPERS RD DUNCAN SA 5223Decision Made

  • January 2022

  • Temporary accommodation in an area affected by bushfire
    392 TIN HUT RD DUNCAN SA 5223Decision Made
2021· 7 proposals

  • December 2021

  • Installation of roof mounted solar panels (on tilt-frames) to existing agricultural building including two (2) associated battery storage shipping containers
    487 TURKEY LANE DUNCAN SA 5223Decision Made

  • October 2021

  • Construction of an agricultural building (machinery shed)
    406 WETHERALLS RD DUNCAN SA 5223Decision Made
  • Erection of 6 Temporary Workers Accommodation structures
    487 TURKEY LANE DUNCAN SA 5223Decision Made

  • May 2021

  • New 20 megalitre dam
    LOT 151 STOKES BAY RD DUNCAN SA 5223Decision Made
  • Construction of a single-storey detached dwelling with ancillary alfresco, verandah and porch, to replace an existing bushfire damaged dwelling.
    5824 PLAYFORD HWY DUNCAN SA 5223Decision Made
  • Construction of an agricultural building (implement shed)
    501 COOPERS RD DUNCAN SA 5223Decision Made

  • April 2021

  • Construction of a shed (agricultural building) for the purposes of storing implements, dimensioned 33m length x 18m wide x 4.8m high
    512 STOKES BAY RD DUNCAN SA 5223Decision Made

Contributes to desirability score · Future Growth (7%)

Development and planning activity

Data sources & freshness

Amenities

No OpenStreetMap amenities mapped for this suburb yet.

Contributes to desirability score · Lifestyle (15%)

Food, shopping, recreation and sport (OpenStreetMap)

Data sources & freshness

  • OpenStreetMap amenities — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh

Socio-economic (SEIFA)

IRSAD decile (2021)
6/10
IRSD decile (2021)
6/10

SEIFA indexes from ABS 2021. Decile 10 = most advantaged / least disadvantaged in Australia.

Contributes to desirability score · Community (5%)

Socio-economic advantage (IRSAD decile)

Data sources & freshness

Hazards

Bushfire planning zone
Overlay applies

Bushfire overlay checked at suburb centroid against all current SA Planning risk layers (high, medium, general, urban interface, regional, outback). Safer places from CFS designated locations.

Contributes to desirability score · Safety (18%)

Bushfire hazard overlays

Data sources & freshness

Green cover

Parks & woodland (OSM)
92
Parks (OSM)
0

OpenStreetMap parks and natural woodland features mapped within the suburb boundary.

Contributes to desirability score · Environment (10%)

Parks and green cover (OpenStreetMap)

Data sources & freshness

  • OpenStreetMap green cover features — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh

Recent changes

  • Other Theftcrime1
  • Agricultural Buildingplanning129 TURKEY LANE DUNCAN SA 5223Lodged 05 Sep 2025 · Under Assessment
  • Agricultural Building (Hay Shed)planningLOT 60 PLAYFORD HWY DUNCAN SA 5223Lodged 27 Oct 2025 · Under Assessment
  • Biochar production facility comprising a movable kiln and associated plant, platforms and canopy, woodchip and biochar stockpiles and associated car parkingplanning129 TURKEY LANE DUNCAN SA 5223Lodged 12 Aug 2024 · Under Assessment
  • Construction of a carportplanning501 COOPERS RD DUNCAN SA 5223Lodged 23 Feb 2022 · Decision Made
  • Construction of a colorbond shed comprising a dwelling and garageplanning267 STOKES BAY RD DUNCAN SA 5223Lodged 31 Oct 2022 · Decision Made
  • Construction of a shed (agricultural building) for the purposes of storing implements, dimensioned 33m length x 18m wide x 4.8m highplanning512 STOKES BAY RD DUNCAN SA 5223Lodged 14 Apr 2021 · Decision Made
  • Construction of a single-storey detached dwelling with ancillary alfresco, verandah and porch, to replace an existing bushfire damaged dwelling.planning5824 PLAYFORD HWY DUNCAN SA 5223Lodged 10 May 2021 · Decision Made
  • Construction of agricultural building (combined implement and storage shed)planning129 TURKEY LANE DUNCAN SA 5223Lodged 06 Nov 2025 · Under Assessment
  • Construction of an agricultural building (implement shed)planning501 COOPERS RD DUNCAN SA 5223Lodged 04 May 2021 · Decision Made

Data sources & freshness

More in Kangaroo Island Council

Other suburbs in the same local government area.